NORRISTOWN, Pa. (CBS) – Three people were rushed to the hospital after being shot on a Montgomery County street early Tuesday morning.

The shooting happened at Arch and E. Moore Streets in Norristown.

According to investigators, three people were shot during the incident. Two of the victims were air-lifted to the Hospital of the University of Pennsylvania. It was not immediately known where the third victim was taken.

The conditions of the victims were not immediately known.

Detectives say they found an automatic weapon and more than a dozen shell casings at the shooting scene.

The details surrounding the shooting remain under investigation. So far, no arrests have been made.